<%--
  User: Administration
  Date: 2022/11/1
  Time: 23:07
  Description: Message Page
--%>
<%@ page contentType="text/html;charset=UTF-8" %>
<%
    if (request.getAttribute("message") != null) { // 登录错误
        out.print(request.getAttribute("message"));
    } else {
        out.print("Null");
    }
%>
